3,294 Blockchain jobs in the United States

Summary

This role will be responsible for managing the development and delivery of business features in that application, integrating with a variety of upstream data-sources and presenting data through the user interface, all while enriching and advancing the platform. This software must achieve a blend of data-rich presentation, performance, user experience, and the capacity to support the busiest trading days in the world economy with rock-solid reliability. The candidate must be able to solve problems creatively, communicate effectively, and proactively engage in technical decision making to achieve these objectives. A team player and work well with business, technical and non-technical professionals in agile environment.

Primary Duties and Responsibilities:

To perform this job successfully, an individual must be able to perform each primary duty satisfactorily.

• You'll be working alongside experts that are building OCC's next generation blockchain-based securities lending system, and paving the future of digital transformation in the capital markets industry by
• Collaborating with others to deliver complex projects which may involve multiple systems
• Continuously thinking about the next steps while improving yourself and others around you
• Developing solutions to complex technical challenges while coding, testing, troubleshooting, debugging, and documenting the systems you develop
• Optimizing application performance through analysis, code refactoring, and system tuning
• Recommending technologies and tools that improve the efficiency and quality of OCC's systems and development processes.

Supervisory Responsibilities

• Manage a team

Qualifications & Experience

The requirements listed are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the primary functions.

• (Required) 7+ years of Front End development experience
• (Required) 7+ years of experience in JavaScript skills
• (Required) 5+ years of experience in React application development
• (Required) Ability to write clean, bug-free code that is easy to understand and easily maintainable
• (Required) Experience with BDD methodologies & automated acceptance testing
• (Required) 'Get stuff done' and flexible mindset for greater good of the organization
• (Required) Intellectually curious and eager to learn

Technical Skills & Background

• (Required) Scala-based software development experience
• (Required) Web/mobile application development experience
• (Required) Experience working with four or more of the following: Unix/Linux environments, event-driven systems, transaction processing systems, distributed and parallel systems, large software system development, security software development, public-cloud platforms
• (Required) Fluent in functional programming, object-oriented design, industry best practices, software patterns, and architecture principles
• (Required) Proficient in the following types of testing: unit, integration, system, functional, non-functional, regression, performance, security, and acceptance
• (required) Deep understanding of performance issues and multi-threaded development
• (Required) Experience with continuous integration tools and techniques, automating processes, and writing scripts using Python and other languages.

Certifications

• AWS Certification a plus

Education & Training

• (Required) BS degree in Computer Science, similar technical field required
• Masters preferred

About Us

The Options Clearing Corporation (OCC) is the world's largest equity derivatives clearing organization. Founded in 1973, OCC is dedicated to promoting stability and market integrity by delivering clearing and settlement services for options, futures and securities lending transactions. As a Systemically Important Financial Market Utility (SIFMU), OCC operates under the jurisdiction of the U.S. Securities and Exchange Commission (SEC), the U.S. Commodity Futures Trading Commission (CFTC), and the Board of Governors of the Federal Reserve System. OCC has more than 100 clearing members and provides central counterparty (CCP) clearing and settlement services to 19 exchanges and trading platforms. More information about OCC is available at

Benefits

A highly collaborative and supportive environment developed to encourage work-life balance and employee wellness. Some of these components include:

• A hybrid work environment, up to 2 days per week of remote work
• Tuition Reimbursement to support your continued education
• Student Loan Repayment Assistance
• Technology Stipend allowing you to use the device of your choice to connect to our network while working remotely
• Generous PTO and Parental leave
• 401k Employer Match
• Competitive health benefits including medical, dental and vision

Visit for more information.

Compensation

• The salary range listed for any given position is exclusive of fringe benefits and potential bonuses. If hired at OCC, your final base salary compensation will be determined by factors such as skills, experience and/or education.
• In addition, we believe in the importance of pay equity and consider internal equity of our current team members as part of any final offer.
• We typically do not hire at the maximum of the range in order to allow for future and continued salary growth. We also offer a substantial benefits package as noted on
• All employees may be eligible for a discretionary bonus. Discretionary bonuses are based on various factors, including, but not limited to, company and individual performance and are not guaranteed.

Salary Range

Incentive Range

This position is eligible for an annual discretionary incentive compensation award, for which the target range is listed above (see Incentive Range ). The amount of such award, if any, will be based on various factors, including without limitation, both individual and company performance.

Step 1
When you find a position you're interested in, click the 'Apply' button. Please complete the application andattach your resume.

Step 2
You will receive an email notification to confirm that we've received your application.

Step 3
If you are called in for an interview, a representative from OCC will contact you to set up a date, time, and location.

For more information about OCC, please click here.

OCC is an Equal Opportunity Employer

Manager, Software Engineering: Blockchain, Distributed Ledger, Scala page is loadedManager, Software Engineering: Blockchain, Distributed Ledger, Scala Apply locations Chicago - 125 S Franklin time type Full time posted on Posted 2 Days Ago job requisition id REQ-4286

Summary

This role will be responsible for managing the development and delivery of business features in that application, integrating with a variety of upstream data-sources and presenting data through the user interface, all while enriching and advancing the platform. This software must achieve a blend of data-rich presentation, performance, user experience, and the capacity to support the busiest trading days in the world economy with rock-solid reliability. The candidate must be able to solve problems creatively, communicate effectively, and proactively engage in technical decision making to achieve these objectives. A team player and work well with business, technical and non-technical professionals in agile environment.

Primary Duties and Responsibilities:

To perform this job successfully, an individual must be able to perform each primary duty satisfactorily.

• Youll be working alongside experts that are building OCCs next generation blockchain-based securities lending system, and paving the future of digital transformation in the capital markets industry by
• Collaborating with others to deliver complex projects which may involve multiple systems
• Continuously thinking about the next steps while improving yourself and others around you
• Developing solutions to complex technical challenges while coding, testing, troubleshooting, debugging, and documenting the systems you develop
• Optimizing application performance through analysis, code refactoring, and system tuning
• Recommending technologies and tools that improve the efficiency and quality of OCCs systems and development processes.

Supervisory Responsibilities

• Manage a team

Qualifications & Experience

The requirements listed are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the primary functions.

• (Required) 7+ years of Front End development experience
• (Required) 7+ years of experience in JavaScript skills
• (Required) 5+ years of experience in React application development
• (Required) Ability to write clean, bug-free code that is easy to understand and easily maintainable
• (Required) Experience with BDD methodologies & automated acceptance testing
• (Required) Get stuff done and flexible mindset for greater good of the organization
• (Required) Intellectually curious and eager to learn

Technical Skills & Background

• (Required) Scala-based software development experience
• (Required) Web/mobile application development experience
• (Required) Experience working with four or more of the following: Unix/Linux environments, event-driven systems, transaction processing systems, distributed and parallel systems, large software system development, security software development, public-cloud platforms
• (Required) Fluent in functional programming, object-oriented design, industry best practices, software patterns, and architecture principles
• (Required) Proficient in the following types of testing: unit, integration, system, functional, non-functional, regression, performance, security, and acceptance
• (required) Deep understanding of performance issues and multi-threaded development
• (Required) Experience with continuous integration tools and techniques, automating processes, and writing scripts using Python and other languages.

Certifications

• AWS Certification a plus

Education & Training

• (Required) BS degree in Computer Science, similar technical field required
• Masters preferred

About Us

The Options Clearing Corporation (OCC) is the world's largest equity derivatives clearing organization. Founded in 1973, OCC is dedicated to promoting stability and market integrity by delivering clearing and settlement services for options, futures and securities lending transactions. As a Systemically Important Financial Market Utility (SIFMU), OCC operates under the jurisdiction of the U.S. Securities and Exchange Commission (SEC), the U.S. Commodity Futures Trading Commission (CFTC), and the Board of Governors of the Federal Reserve System. OCC has more than 100 clearing members and provides central counterparty (CCP) clearing and settlement services to 19 exchanges and trading platforms. More information about OCC is available at

Benefits

A highly collaborative and supportive environment developed to encourage work-life balance and employee wellness. Some of these components include:

• A hybrid work environment, up to 2 days per week of remote work
• Tuition Reimbursement to support your continued education
• Student Loan Repayment Assistance
• Technology Stipend allowing you to use the device of your choice to connect to our network while working remotely
• Generous PTO and Parental leave
• 401k Employer Match
• Competitive health benefits including medical, dental and vision

Visit for more information.

Compensation

• The salary range listed for any given position is exclusive of fringe benefits and potential bonuses. If hired at OCC, your final base salary compensation will be determined by factors such as skills, experience and/or education.
• In addition, we believe in the importance of pay equity and consider internal equity of our current team members as part of any final offer.
• We typically do not hire at the maximum of the range in order to allow for future and continued salary growth. We also offer a substantial benefits package as noted on
• All employees may be eligible for a discretionary bonus. Discretionary bonuses are based on various factors, including, but not limited to, company and individual performance and are not guaranteed.

Salary Range

Incentive Range

This position is eligible for an annual discretionary incentive compensation award, for which the target range is listed above (see Incentive Range ). The amount of such award, if any, will be based on various factors, including without limitation, both individual and company performance.

Step 1
When you find a position you're interested in, click the 'Apply' button. Please complete the application andattach your resume.

Step 2
You will receive an email notification to confirm that we've received your application.

Step 3
If you are called in for an interview, a representative from OCC will contact you to set up a date, time, and location.

For more information about OCC , please click here .

OCC is an Equal Opportunity Employer

• Design, develop, and deploy smart contracts using Solidity.
• Write secure, efficient, and gas-optimized smart contract code.
• Implement and integrate decentralized applications (DApps) with blockchain protocols.
• Conduct thorough testing and auditing of smart contracts to ensure security.
• Collaborate with cross-functional teams on project requirements and specifications.
• Research and implement new blockchain technologies and best practices.
• Troubleshoot and resolve issues related to smart contract functionality.
• Contribute to the overall architecture and design of blockchain solutions.
• Stay abreast of emerging trends and developments in the blockchain industry.

• Design, develop, and implement secure smart contracts on blockchain platforms.
• Write efficient, well-documented, and testable smart contract code.
• Conduct smart contract security audits and vulnerability assessments.
• Integrate smart contracts with front-end applications and other backend services.
• Research and implement new blockchain technologies and protocols.
• Optimize smart contract performance and gas efficiency.
• Collaborate with cross-functional teams to define project requirements.
• Stay up-to-date with the latest developments in blockchain and smart contract technology.
• Participate in code reviews and contribute to team knowledge sharing.

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 3+ years of experience in software development, with a significant focus on blockchain technology.
• Proficiency in smart contract development languages (e.g., Solidity, Vyper).
• Experience with blockchain frameworks (e.g., Ethereum, Binance Smart Chain, Solana).
• Knowledge of web3 development tools and libraries (e.g., Web3.js, Ethers.js).
• Understanding of token standards (ERC-20, ERC-721) and DeFi concepts.
• Familiarity with smart contract security best practices and common vulnerabilities.
• Strong analytical, problem-solving, and debugging skills.
• Excellent communication and teamwork abilities.

• Design, develop, and deploy secure smart contracts on blockchain platforms.
• Write efficient, well-documented, and maintainable smart contract code (e.g., Solidity).
• Develop decentralized applications (dApps) leveraging blockchain technology.
• Implement and manage token standards (e.g., ERC-20, ERC-721).
• Integrate smart contracts with front-end applications and other systems.
• Conduct rigorous testing, auditing, and debugging of smart contracts.
• Stay up-to-date with the latest developments and best practices in blockchain technology.
• Collaborate with product managers, designers, and other engineers.
• Research and evaluate new blockchain technologies and protocols.

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
• 2+ years of experience in blockchain development, with a focus on smart contracts.
• Proficiency in Solidity and experience with blockchain development frameworks (e.g., Truffle, Hardhat).
• Familiarity with web3 libraries (e.g., web3.js, ethers.js).
• Strong understanding of blockchain principles, consensus mechanisms, and cryptography.
• Experience with common blockchain vulnerabilities and security best practices.
• Proficiency in programming languages like JavaScript, Python, or Go.
• Excellent problem-solving, analytical, and debugging skills.
• Ability to work independently and collaboratively in a remote team setting.

• Design, develop, test, and deploy secure smart contracts on blockchain platforms.
• Write clean, efficient, and well-documented code in languages like Solidity.
• Conduct thorough code reviews and security audits for smart contracts.
• Integrate smart contracts with front-end and back-end applications.
• Collaborate with product managers and designers to define smart contract requirements.
• Troubleshoot and resolve issues related to smart contract execution.
• Stay current with blockchain technology advancements and security vulnerabilities.
• Participate in the development of decentralized applications (dApps).
• Contribute to the overall architecture and strategy of blockchain solutions.

• Proven experience as a Blockchain Developer with a focus on smart contracts.
• Proficiency in Solidity and experience with blockchain development frameworks (e.g., Truffle, Hardhat).
• Understanding of cryptographic principles and blockchain security best practices.
• Familiarity with ERC standards and token development.
• Experience with decentralized applications (dApps) and DeFi concepts.
• Strong programming skills in languages relevant to blockchain development.
• Excellent problem-solving, analytical, and debugging skills.
• Ability to work independently and collaboratively in a remote team environment.
• Bachelor's degree in Computer Science or a related field is preferred.

• Design, develop, and deploy secure and efficient smart contracts on various blockchain platforms.
• Write high-quality, well-documented, and audited code for smart contracts.
• Collaborate with product managers and development teams to define project requirements and specifications.
• Conduct thorough testing and debugging of smart contracts to ensure functionality and security.
• Integrate smart contracts with front-end applications and backend services.
• Stay up-to-date with the latest advancements, trends, and best practices in blockchain technology and smart contract development.
• Participate in code reviews and provide constructive feedback to peers.
• Troubleshoot and resolve issues related to smart contract deployment and execution.
• Contribute to the overall architecture and design of blockchain-based solutions.
• Research and evaluate new blockchain technologies and protocols.

• Bachelor's degree in Computer Science, Engineering, or a related technical field.
• Proven experience as a Blockchain Developer with a strong focus on smart contract development.
• Proficiency in Solidity, Vyper, or other smart contract programming languages.
• Familiarity with blockchain platforms such as Ethereum, Binance Smart Chain, Polygon, etc.
• Experience with blockchain development frameworks and tools (e.g., Truffle, Hardhat, Ganache).
• Understanding of blockchain architecture, consensus mechanisms, and cryptography.
• Experience with decentralized application (dApp) development is a plus.
• Strong problem-solving and analytical skills.
• Excellent communication and collaboration skills.
• Ability to work independently and manage time effectively in a remote environment.

• Design, develop, test, and deploy smart contracts on platforms like Ethereum (Solidity), Binance Smart Chain, or similar.
• Write clean, secure, and well-documented code for blockchain-based applications.
• Integrate blockchain technology with existing systems and APIs.
• Develop and maintain decentralized applications (dApps) and user interfaces.
• Collaborate with product managers, designers, and other developers to define and implement new features.
• Conduct security audits and vulnerability assessments for smart contracts and dApps.
• Optimize smart contract performance and gas efficiency.
• Stay updated with the latest advancements in blockchain technology, cryptography, and consensus mechanisms.
• Troubleshoot and debug blockchain-related issues.
• Contribute to the overall architecture and technical roadmap of our blockchain initiatives.

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Proven experience in developing smart contracts using Solidity or other blockchain programming languages.
• Strong understanding of blockchain principles, distributed ledger technology, and consensus algorithms.
• Experience with Web3.js, Ethers.js, or similar libraries for interacting with blockchains.
• Familiarity with front-end development frameworks (React, Vue, Angular) is a plus.
• Knowledge of security best practices for smart contract development.
• Experience with version control systems (Git).
• Excellent problem-solving and analytical skills.
• Strong communication and collaboration skills, comfortable working in a hybrid environment.
• Passion for blockchain technology and decentralized systems.

• Designing, developing, and deploying smart contracts using languages like Solidity, Vyper, or similar.
• Writing secure, efficient, and well-documented smart contract code.
• Collaborating with cross-functional teams to define and design new blockchain features.
• Testing and debugging smart contracts to ensure functionality and security.
• Integrating blockchain components with existing systems and services.
• Staying up-to-date with the latest blockchain technologies, trends, and security best practices.
• Contributing to the overall architecture and design of blockchain solutions.
• Participating in code reviews and providing constructive feedback.
• Troubleshooting and resolving issues related to smart contract execution and blockchain network performance.
• Documenting technical specifications and blockchain protocols.